86523293 has 4 divisors (see below), whose sum is σ = 86933568. Its totient is φ = 86113020.

The previous prime is 86523289. The next prime is 86523313. The reversal of 86523293 is 39232568.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86523293 - 2² = 86523289 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86523223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204821 + ... + 205242.

It is an arithmetic number, because the mean of its divisors is an integer number (21733392).

Almost surely, 2^86523293 is an apocalyptic number.

It is an amenable number.

86523293 is a deficient number, since it is larger than the sum of its proper divisors (410275).

86523293 is a wasteful number, since it uses less digits than its factorization.

86523293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410274.

The product of its digits is 77760, while the sum is 38.

The square root of 86523293 is about 9301.7897740166. The cubic root of 86523293 is about 442.2939647495.

The spelling of 86523293 in words is "eighty-six million, five hundred twenty-three thousand, two hundred ninety-three".